Patents by Inventor Younho Han
Younho Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240138252Abstract: An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, an interlayer which is between the first electrode and the second electrode and including an emission layer, and a capping layer located outside the first electrode or the second electrode, where the emission layer includes a first emitter, the first emitter is to emit blue light, the first emitter includes platinum (Pt), the highest occupied molecular orbital (HOMO) energy level of the first emitter is ?4.4 eV or less, and the capping layer includes an amine-free compound.Type: ApplicationFiled: September 27, 2023Publication date: April 25, 2024Inventors: Gyeongheon Kim, Sooryun Cho, Jihye Kim, Hoilim Kim, Saerom Park, Dongsun Yoo, Younho Han
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Patent number: 11937451Abstract: A display device includes a display layer disposed on a substrate and divided into an emission area from which light is emitted and a non-emission area adjacent to the emission area, a refractive layer disposed on the display layer and including a first light blocking pattern and a second light blocking pattern disposed on the first light blocking pattern, and a window disposed on the refractive layer.Type: GrantFiled: July 8, 2021Date of Patent: March 19, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jongbeom Hong, Gunshik Kim, Yongsub Shim, Younho Han
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Patent number: 11711960Abstract: A display apparatus includes a first pixel, a second pixel, and a third pixel which emit light of different colors from one another, a first insulating layer on a first display element of the first pixel, and a second insulating layer on the first insulating layer. The first insulating layer defines a first opening portion corresponding to the first display element, the second insulating layer defines a first opening corresponding to the first opening portion, and the first opening portion has a first extension portion which extends in a first direction and at least partially exposes the second insulating layer.Type: GrantFiled: April 1, 2022Date of Patent: July 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jungbae Song, Kwanghyun Kim, Dahye Kim, Byoungki Kim, Heekwang Song, Yunmo Chung, Kangmoon Jo, Younho Han
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Publication number: 20230225199Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer. The emission layer includes a first emitter, the first emitter emits first light having a first emission spectrum, the capping layer is in the path on which the first light travels, an emission peak wavelength of the first light is from about 520 nm to about 550 nm. The first emitter includes iridium, the capping layer includes an amine-containing compound, and the value of ratio of CIEy to reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to CIEy/R(cap)×100.Type: ApplicationFiled: January 9, 2023Publication date: July 13, 2023Inventors: Youngmi Cho, Hyojoo Jung, Eunkyung Koh, Jinoh Kwag, Yongjo Kim, Younho Han
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Publication number: 20230225185Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer. The emission layer includes a first emitter, the first emitter emits a first light having a first emission spectrum, the capping layer is in a path on which the first light travels, an emission peak wavelength of the first light is about 520 nm to about 550 nm. The first emitter includes iridium, the capping layer includes an amine-free compound, and the value of ratio of CIEy to reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to CIEy/R(cap)×100.Type: ApplicationFiled: January 9, 2023Publication date: July 13, 2023Inventors: Hoilim Kim, Hyojoo Jung, Jihye Kim, Saerom Park, Dongsun Yoo, Younho Han
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Publication number: 20230099374Abstract: A display panel is disclosed that includes a substrate, a first light blocking line, a second light blocking line, and a third light blocking line located on the substrate. The first, second, and third light blocking lines extend in a first direction in a plan view, and are spaced apart from one another in a second direction that intersects the first direction. A first display element and a second display element are located between the first light blocking line and the second light blocking line and respectively emit light of a first color and light of a second color. A third display element is located between the second light blocking line and the third light blocking line and emits light of a third color.Type: ApplicationFiled: April 12, 2022Publication date: March 30, 2023Inventors: Jongbeom Hong, Yongsub Shim, Younho Han
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Publication number: 20230073072Abstract: Provided are a display panel and an electronic device. On a plane, a distance between an edge of a blocking metal layer and a bending point of an electrode may be greater than a set distance.Type: ApplicationFiled: June 3, 2022Publication date: March 9, 2023Inventors: Jongbeom Hong, Yongsub Shim, Jungmin Choi, Youngjun Yoo, Younho Han
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Publication number: 20220223655Abstract: A display apparatus includes a first pixel, a second pixel, and a third pixel which emit light of different colors from one another, a first insulating layer on a first display element of the first pixel, and a second insulating layer on the first insulating layer. The first insulating layer defines a first opening portion corresponding to the first display element, the second insulating layer defines a first opening corresponding to the first opening portion, and the first opening portion has a first extension portion which extends in a first direction and at least partially exposes the second insulating layer.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Inventors: Jungbae Song, Kwanghyun Kim, Dahye Kim, Byoungki Kim, Heekwang Song, Yunmo Chung, Kangmoon Jo, Younho Han
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Publication number: 20220140014Abstract: Provided is a display device including a substrate including a first display area, a second display area including transmission areas, and a non-display area, main pixel electrodes above the first display area, auxiliary pixel electrodes above the second display area, and a shield layer between the substrate and the auxiliary pixel electrodes, including a first metal layer, and at least one reflection reduction layer overlapping the first metal layer, and defining an opening overlapping the transmission areas.Type: ApplicationFiled: August 6, 2021Publication date: May 5, 2022Inventors: Yongsub SHIM, Younho HAN, Jongbeom HONG, Reehyang KIM, Youngjun YOO
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Patent number: 11322553Abstract: A display apparatus includes a first pixel, a second pixel, and a third pixel which emit light of different colors from one another, a first insulating layer on a first display element of the first pixel, and a second insulating layer on the first insulating layer. The first insulating layer defines a first opening portion corresponding to the first display element, the second insulating layer defines a first opening corresponding to the first opening portion, and the first opening portion has a first extension portion which extends in a first direction and at least partially exposes the second insulating layer.Type: GrantFiled: June 11, 2020Date of Patent: May 3, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jungbae Song, Kwanghyun Kim, Dahye Kim, Byoungki Kim, Heekwang Song, Yunmo Chung, Kangmoon Jo, Younho Han
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Publication number: 20220059804Abstract: A display device includes a display layer disposed on a substrate and divided into an emission area from which light is emitted and a non-emission area adjacent to the emission area, a refractive layer disposed on the display layer and including a first light blocking pattern and a second light blocking pattern disposed on the first light blocking pattern, and a window disposed on the refractive layer.Type: ApplicationFiled: July 8, 2021Publication date: February 24, 2022Inventors: Jongbeom HONG, Gunshik KIM, Yongsub SHIM, Younho HAN
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Publication number: 20210351238Abstract: Provided is a color filter having improved light efficiency and color reproducibility. The color filter includes: a substrate having a plurality of pixel areas and a light blocking area surrounding the plurality of pixel areas; a light blocking layer on the light blocking area; a first color conversion layer on a first pixel area among the plurality of pixel areas and configured to convert incident light into light of a first color; a first color filter layer between the substrate and the first color conversion layer and configured to selectively transmit the light of the first color emitted from the first color conversion layer; and a light reflection layer between the first color conversion layer and the first color filter layer and including a reflective material.Type: ApplicationFiled: June 13, 2019Publication date: November 11, 2021Inventors: Youngeun Park, Gunshik Kim, Junghwan Yi, Mira Gwon, Seungin Baek, Sangyun Lim, Sujin Choi, Younho Han
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Patent number: 11092841Abstract: A color filter includes a substrate including pixel areas and a light-shielding area which is disposed between adjacent pixels areas; and a color conversion layer which color-converts incident light of an incident color and emits color-converted light toward the substrate, the color conversion layer including a first color conversion pattern in a first pixel area among the pixel areas and with which the incident light of the incident color is converted into light of a first color; and a second color conversion pattern in a second pixel area among the pixel areas and with which the incident light of the incident color is converted into light of a second color; and a partition wall in the light-shielding area and between the first color conversion pattern and the second color conversion pattern, the partition wall including a light-scattering material which scatters light incident thereto.Type: GrantFiled: February 15, 2019Date of Patent: August 17, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seungin Baek, Mira Gwon, Gunshik Kim, Youngeun Park, Junghwan Lee, Yunmo Chung, Sujin Choi, Younho Han, Jungbae Song, Daewoo Lee
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Publication number: 20210143222Abstract: A display apparatus includes a first pixel, a second pixel, and a third pixel which emit light of different colors from one another, a first insulating layer on a first display element of the first pixel, and a second insulating layer on the first insulating layer. The first insulating layer defines a first opening portion corresponding to the first display element, the second insulating layer defines a first opening corresponding to the first opening portion, and the first opening portion has a first extension portion which extends in a first direction and at least partially exposes the second insulating layer.Type: ApplicationFiled: June 11, 2020Publication date: May 13, 2021Inventors: Jungbae Song, Kwanghyun Kim, Dahye Kim, Byoungki Kim, Heekwang Song, Yunmo Chung, Kangmoon Jo, Younho Han
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Patent number: 10989859Abstract: A display apparatus includes a light guide member disposed below a display member. A light source configured to generate light is disposed adjacent to the light guide member. The light guide member includes a plurality of diffraction on the light guide member. The diffraction patterns are spaced apart from each other in the first direction. The plurality of diffraction patterns diffract incident light, which is incident at an incident angle, to change the incident light to diffraction light having a diffraction angle. The incident angle is defined as an angle between the incident light and a normal line that is perpendicular to a top surface or a bottom surface of the light guide member. The diffraction angle, which is defined as an angle between the diffraction light and the normal line, has a magnitude less than that of the incident angle.Type: GrantFiled: January 25, 2019Date of Patent: April 27, 2021Assignees: SAMSUNG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUSInventors: Seungin Baek, Sujin Choi, Hwi Kim, Mira Gwon, Youngeun Park, Jongha Park, Junghwan Yi, Young jin Jeon, Jungbeom Choi, Younho Han
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Patent number: 10725339Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source disposed adjacent to one side surface of the light guide plate that generates a first light, a first refractive layer disposed between the light source and the one side surface of the light guide plate that has a refractive index greater than a refractive index of the light guide plate, and a second refractive layer disposed between the display panel and the light guide plate that has a refractive index less than the refractive index of the light guide plate. The first refractive layer includes a convex portion that protrudes into the one side surface of the light guide plate.Type: GrantFiled: March 19, 2019Date of Patent: July 28, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seungin Baek, Jinho Park, Sujin Choi, Mira Gwon, Youngeun Park, Seon-Tae Yoon, Kwangkeun Lee, Junghwan Yi, Younho Han
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Publication number: 20200089047Abstract: A color filter includes a substrate including pixel areas and a light-shielding area which is disposed between adjacent pixels areas; and a color conversion layer which color-converts incident light of an incident color and emits color-converted light toward the substrate, the color conversion layer including a first color conversion pattern in a first pixel area among the pixel areas and with which the incident light of the incident color is converted into light of a first color; and a second color conversion pattern in a second pixel area among the pixel areas and with which the incident light of the incident color is converted into light of a second color; and a partition wall in the light-shielding area and between the first color conversion pattern and the second color conversion pattern, the partition wall including a light-scattering material which scatters light incident thereto.Type: ApplicationFiled: February 15, 2019Publication date: March 19, 2020Inventors: Seungin Baek, Mira Gwon, Gunshik Kim, Youngeun Park, Junghwan LEE, Yunmo Chung, Sujin Choi, Younho Han, Jungbae Song, Daewoo Lee
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Publication number: 20190302535Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source disposed adjacent to one side surface of the light guide plate that generates a first light, a first refractive layer disposed between the light source and the one side surface of the light guide plate that has a refractive index greater than a refractive index of the light guide plate, and a second refractive layer disposed between the display panel and the light guide plate that has a refractive index less than the refractive index of the light guide plate. The first refractive layer includes a convex portion that protrudes into the one side surface of the light guide plate.Type: ApplicationFiled: March 19, 2019Publication date: October 3, 2019Inventors: SEUNGIN BAEK, JINHO PARK, SUJIN CHOI, MIRA GWON, YOUNGEUN PARK, SEON-TAE YOON, KWANGKEUN LEE, JUNGHWAN YI, YOUNHO HAN
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Publication number: 20190243054Abstract: A display apparatus includes a light guide member disposed below a display member. A light source configured to generate light is disposed adjacent to the light guide member. The light guide member includes a plurality of diffraction on the light guide member. The diffraction patterns are spaced apart from each other in the first direction. The plurality of diffraction patterns diffract incident light, which is incident at an incident angle, to change the incident light to diffraction light having a diffraction angle. The incident angle is defined as an angle between the incident light and a normal line that is perpendicular to a top surface or a bottom surface of the light guide member. The diffraction angle, which is defined as an angle between the diffraction light and the normal line, has a magnitude less than that of the incident angle.Type: ApplicationFiled: January 25, 2019Publication date: August 8, 2019Inventors: Seungin Baek, Sujin Choi, Hwi Kim, Mira Gwon, Youngeun Park, Jongha Park, Junghwan Yi, Young jin Jeon, Jungbeom Choi, Younho Han
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Publication number: 20120139964Abstract: A display panel module includes a display panel, a lens sheet, and an upper polarizing plate. The display panel includes a display region in which an image is displayed, and a non-display region in which the image is not displayed. The lens sheet faces a light emitting surface of the display panel and changes a path of a portion of light emitted from the display region of the display panel, to transmit the portion of the light onto the non-display region of the display panel.Type: ApplicationFiled: November 11, 2011Publication date: June 7, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Younho Han, Juhwa Ha, Jinsung Choi